The invention of the modern computer is one of the greatest contributions ___to man's efficiencyA.having ever been madeB.ever making C.ever made D.having ever made

re-invention of the THE INVENTION OF SOLITUDE怎么样 the invention Necessity is the mother of invention. THE INVENTION OF SOLITUDE A MEMOIR怎么样 为什么是Computers are the second most useful invention of the world为什么是invention the most useful invention of all time 是什么意思? the invention of computer was a t______ revolution the invention is very o___ Few people think of it LA INVENCION DE LA SOLEDAD THE INVENTION OF SOLITUDE怎么样 be referred The invention of gunpower is referred to China 中松博士的发明 THE INVENTION OF DRNAKAMATS怎么样 上海市首字母短文填空Like the c_,the Internet was a_the greatest invention of the The invention of the camera goes far into the past.昰什麽意思?如题、、、 The invention of lights one of the greatest success made by one of the most是不是加复数?Alarm clock is one of the most annoying_________(invention). of,helped,the,invention,zero,write,numbers,the,people,big把单词连成句子 The invention of the zero helped people (calculate more easily)对括号内部分进行提问